Re: [PATCH v2 2/4] MFD: Palmas: Add SMPS10_BOOST feature

[Stephen Warren <swarren@wwwdotorg.org>]

On 06/18/2013 04:03 AM, J Keerthy wrote:
> The SMPS10 regulator is not presesnt in all the variants
> of the PALMAS PMIC family. Hence adding a feature to distingush
> between them.

> diff --git a/drivers/mfd/palmas.c b/drivers/mfd/palmas.c

> +	match = of_match_device(of_match_ptr(of_palmas_match_tbl), &i2c->dev);
> +
> +	if (match) {
> +		features = (unsigned int *)match->data;
> +		palmas->features = *features;
> +	} else {
> +		return -ENODATA;
> +	}


I think it's more common to do the error-checking first. That way, the
success-case code doesn't need an indent:

match = of_match...(...);
if (!match)
    return -ENODATA;

features = ...;
palmas->features = *features;